Ah, sorry! Didn't realise slow speeds, both Down & Up, are FTTC.
With regard to your Q about TT's 2 Meg Upstream product, almost certainly this will be a cap not a proportion.
1999: Freeserve 48K Dial-Up => 2005: Wanadoo 1 Meg BB => 2007: Orange 2 Meg BB => 2008: Orange 8 Meg LLU => 2010: Orange 16 Meg LLU => 2011: Orange 20 Meg WBC